28815691400

素因数分解:

$2^3\times 5^2\times {\mathrm{1181}}^1\times {\mathrm{121997}}^1$

素因数の和:123194

約数の個数: 48

約数和(自身を含む): 67053760740

約数和(自身を除く): 38238069340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 29525, 47240, 59050, 118100, 121997, 236200, 243994, 487988, 609985, 975976, 1219970, 2439940, 3049925, 4879880, 6099850, 12199700, 24399400, 144078457, 288156914, 576313828, 720392285, 1152627656, 1440784570, 2881569140, 3601961425, 5763138280, 7203922850, 14407845700, 28815691400]

約数ペア:

[(1, 28815691400), (2, 14407845700), (4, 7203922850), (5, 5763138280), (8, 3601961425), (10, 2881569140), (20, 1440784570), (25, 1152627656), (40, 720392285), (50, 576313828), (100, 288156914), (200, 144078457), (1181, 24399400), (2362, 12199700), (4724, 6099850), (5905, 4879880), (9448, 3049925), (11810, 2439940), (23620, 1219970), (29525, 975976), (47240, 609985), (59050, 487988), (118100, 243994), (121997, 236200)]